Houston Area Leachate Removal and Destruction Summary
- Leachate Starting Point – 60ppb
- Water Effluent 27 ppt – 99.92% Removal
- Overall Removal – 99.96%
- Concentration Ratio – approx. 5000:1
- Results indicate between 99-100% PFA destruction in 1 hour or less
- LCMS spectrums indicate no fragmentation of PFOA molecules
- PFAs are being destroyed, not transformed into smaller PFAs
Samples were obtained from a Houston Area Landfill in April of 2023. Initial Characterization Studies showed approximately 60 PPB Total Mixed PFAS ranging from short chain C-4 Molecules to the longer chain C-8 Molecules in the suite of analysis performed by Pace Analytical Laboratories in Baton Rouge, Louisiana.
Following the initial Collection and Concentration steps, the Treated Water had a resultant Total PFAS concentration of 27 ppt. Following concentration and dewatering, the collected solids were subjected to destruction conditions in our Pilot Scale electrolytic cell and subjected to a DC current of 30 amp/sq cm. Residence time in this batch reactor system was approximately 60 minutes.
- Standard LCMS spectrum with a strong peak indicating PFOA
- No other strong peaks (no other similar compounds in this sample)
- Baseline appears completely flat due to the large concentration difference between PFOA and any other molecule
PFA DESTRUCTION
